What are the common factors of 20w and 40w

Mathematics

1 answer:

ira [324]2 years ago

7 0

The common factors are 2,4,5,10,20

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You are making luan arrangements for a birthday party. There are 16 white balloons and 24 red balloons each arrangement must be

valina [46]

Answer:

8 arrangement

Step-by-step explanation:

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5 0

2 years ago

Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly hi

den301095 [7]

Answer:

Test scores of 10.2 or lower are significantly low.

Test scores of 31 or higher are significantly high

Step-by-step explanation:

Z-score:

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 20.6, \sigma = 5.2$